552857427 has 8 divisors (see below), whose sum is σ = 819048080. Its totient is φ = 368571600.

The previous prime is 552857423. The next prime is 552857443. The reversal of 552857427 is 724758255.

552857427 is a `hidden beast` number, since 5 + 52 + 8 + 574 + 27 = 666.

It is not a de Polignac number, because 552857427 - 2² = 552857423 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (552857423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10238074 + ... + 10238127.

It is an arithmetic number, because the mean of its divisors is an integer number (102381010).

Almost surely, 2^552857427 is an apocalyptic number.

552857427 is a deficient number, since it is larger than the sum of its proper divisors (266190653).

552857427 is a wasteful number, since it uses less digits than its factorization.

552857427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20476210 (or 20476204 counting only the distinct ones).

The product of its digits is 784000, while the sum is 45.

The square root of 552857427 is about 23512.9204268632. The cubic root of 552857427 is about 820.7376997147.

The spelling of 552857427 in words is "five hundred fifty-two million, eight hundred fifty-seven thousand, four hundred twenty-seven".